Glasperlenspiel No. 3

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU3374596
CopyrightID (CopyrightChains transaction hash)
0x8a38947cd94e5cabf013a69dfc373fb0897d7f5ce400737d9c377c6f6bd16994
Copyright registration time
2026-06-10T21:52:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1151e2a786d66b84e3356dd0cbabf30f3293be318ae1f6002a1f3d98674894dd

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.